For example i notice that the latest chips are 3 nm & below, & over the last decade i’ve seen it shrink little by little. What is it about this process that more money needs to be poured into each die shrink, & why couldn’t we just jump from 90nm to 3nm instead pf 65nm etc etc?
In: Engineering
While the technical statements on the other comments are true enough, I was surprised to learn that, for example, “[the 14 nm process](https://en.wikipedia.org/wiki/14_nm_process)” is just a marketing term. From the article “Since at least 1997, “process nodes” have been named purely on a marketing basis, and have no relation to the dimensions on the integrated circuit”.
So a large part of why they jumped from 90 nm to 65 nm (in 2005, so more recent than 1997) was because the marketing people thought it sounded cool.
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